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ADU Builders & Contractors in Quartz Hill, CA

Quartz Hill, CA homeowners looking to build an ADU have 30 licensed contractors to choose from, ready to help. Whether you're planning a garage conversion, detached ADU, or junior ADU, finding the right contractor in Quartz Hill starts here.

📊 ADU Quick Facts for Quartz Hill

Avg. Cost/sqft

$191-$366

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 30 ADU Contractors in Quartz Hill

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#1SKELTON B CONSTRUCTION INC

Quartz Hill, CA

Skelton B Construction Inc — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 33+ years experience.

View Profile📞 (661) 810 0171
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#2GSA CONSTRUCTION INC

Quartz Hill, CA

Gsa Construction Inc — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 7+ years experience.

View Profile📞 (661) 718 6024
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#3L R CONSTRUCTION

Quartz Hill, CA

L R Construction — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (661) 202 7577
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#4JOHNSON ELECTRICAL CONTRACTING

Quartz Hill, CA

Johnson Electrical Contracting — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 49+ years experience.

View Profile📞 (661) 252 2045
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#5WOODEN GENERAL CONSTRUCTION

Quartz Hill, CA

Wooden General Construction — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 16+ years experience.

View Profile📞 (661) 477 6225
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#6C M G BUILDERS INC

Quartz Hill, CA

C M G Builders Inc — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (661) 208 2258
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#7ROD'S GENERAL BUILDER'S INC

Quartz Hill, CA

Rod'S General Builder'S Inc — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (408) 917 9735
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#8COMPLETE ENTERPRISES INC

Quartz Hill, CA

Complete Enterprises Inc — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 35+ years experience.

View Profile📞 (661) 943 8026
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#9G R CONSTRUCTION

Quartz Hill, CA

G R Construction — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (661) 674 9165
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#10SMITH BRIAN

Quartz Hill, CA

Smith Brian — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (661) 406 1346
View All 30 Contractors →

💰 How Much Does an ADU Cost in Quartz Hill?

Garage Conversion

$65,500 - $125,500

Converting existing garage to living space

Detached ADU

$141,000 - $316,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,117 - $5,117

Plan check, permits, utility connections

* Costs vary based on size, finishes, site conditions, and contractor. Get quotes from multiple Quartz Hill contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Quartz Hill

How much does it cost to build an ADU in Quartz Hill?▼
The average cost to build an ADU in Quartz Hill ranges from $141,000 to $316,000, or approximately $191 to $366 per square foot. Garage conversions typically cost $65,500 to $125,500.
How long does it take to get an ADU permit in Quartz Hill?▼
The ADU permit process in Quartz Hill typically takes 60 to 120 weeks. California law requires cities to approve or deny ADU permits within 60 days of receiving a complete application.
What are the ADU size limits in Quartz Hill?▼
In Quartz Hill, detached ADUs can be up to 1200 square feet. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sqft, whichever is less. Junior ADUs (JADUs) are limited to 500 sqft and must be within the existing home.
What is the setback requirement for ADUs in Quartz Hill?▼
Quartz Hill requires 4-foot setbacks from side property lines and 4-foot setbacks from rear property lines for new ADU construction. Converted structures (like existing garages) may maintain their current setbacks.
Do I need to provide parking for my ADU in Quartz Hill?▼
No parking is required for ADUs in Quartz Hill if your property is within half a mile of public transit, in a historic district, part of an existing multi-family building, or if the ADU is a garage conversion. Otherwise, one space may be required.

Also See ADU Contractors In

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